trifoliate

Having three leaves or leaflike parts.

Trifoliolate.

Having three leaves; trefoil; specifically, in botany, having three leaves or leaflets: used chiefly, in the latter sense, of compound leaves, as a shortened form of trifoliolate. See cut d under leaf.

Having three leaves or leaflets, as clover. See Illust. of shamrock.

Comprising, abounding with, or featuring trefoils.

(of a leaf shape) having three leaflets